[Rails] Recursive Hash search

Hi, i create method "Hash.path_to(value)" It is extension for Hash class and this method search and return hash that have value in parameter. Example: {:-One=>1, :two=>{:three=>3, :four=>4}, :five=>{:-Six=>6, :three=>3}} .path_to(3) #=> {:two=>{:three=>3}, :five=>{:three=>3}} .Is Rails 4 need this method?

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